BT Sign

BT Sign, mobility and security directly on mobile phone!

Banca Transilvania · com.btultrasign

Not rated yet 50K+ downloads v4.30.9 28.6 MB Android 5.0+ PEGI 3 · Everyone

Download APK 28.6 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v4.30.9 (43009002)
Updated: Nov 14, 2025 (11 months ago)
APK size: 28.6 MB
Requires: Android 5.0+ (API 21)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Finance (app)
Listed since: Apr 20, 2021 (at least)
Permissions: 8 (3 sensitive)
Website: bancatransilvania.ro
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

BT Sign is an app by Banca Transilvania in the Finance category, listed since at least April 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

It asks for 8 permissions, 3 of them sensitive: camera, read phone status and identity and see all installed apps. It asks for the same permissions as version 4.30.5.

What's new in v4.30.9

Security improvements.

Description

From the listing uploaded by “appupdater”.

BT Sign is the safe and comfortable alternative for the token. The application allows you to login and authorize current banking operations anywhere and anytime, via your mobile phone. With BT Sign you are able to generate unique codes that facilitate your easy access and offer you the possibility to authorize payments and files of available payments in the BT Ultra application. How do you activate BT Sign? - For activation, you need the access codes that are available in any Banca Transilvania’s unit; - Download and install the BT Sign application on your smartphone It is important to remember: - In order to access BT Sign it is necessary to have the BT Ultra service activated; - For security reasons, BT Sign cannot be used on devices where the Superuser protection is deactivated (e.g. jailbreak, root)

Version history

2 versions are listed, going back to v4.30.5.

v4.30.9 LATEST Nov 14, 2025 28.6 MB TRUSTED v4.30.5 Jun 9, 2024 26.9 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Nov 14, 2025.
Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.
Same certificate as the other version checked

Store checks and file details

Developer signature verified Nov 14, 2025
Validated against Google Play Nov 14, 2025
Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Signing certificate (SHA-1)C5:3A:E4:AC:FD:A1:E7:A1:83:B4:5F:AE:9F:16:9A:11:CC:2C:8D:28
File MD5dc4448017eee8d0cde96b5ee72f5c218
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (8)

BT Sign requests 8 permissions, 3 of them sensitive.

Camera Sensitive android.permission.CAMERA
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
See all installed apps Sensitive android.permission.QUERY_ALL_PACKAGES
Context write use app feature survey (custom) com.samsung.android.providers.context.permission.WRITE_USE_APP_FEATURE_SURVEY
Control vibration android.permission.VIBRATE
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Use fingerprint hardware android.permission.USE_FINGERPRINT
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait

BT Sign APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the BT Sign APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is dc4448017eee8d0cde96b5ee72f5c218.